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Uddin และผู้แต่งคนอื่นๆ. 1991. Factors associated with promotion of sanitary latrines utilization of the villagers in Khon Kaen province, Thailand. Faculty of Graduate Studies, Mahidol University;
Uddin และผู้แต่งคนอื่นๆ. (1991) Factors associated with promotion of sanitary latrines utilization of the villagers in Khon Kaen province, Thailand . Mahidol University/Bangkok.
Uddin และผู้แต่งคนอื่นๆ. Factors associated with promotion of sanitary latrines utilization of the villagers in Khon Kaen province, Thailand. . Bangkok:Mahidol University, 1991.
Uddin และผู้แต่งคนอื่นๆ. (1991) Factors associated with promotion of sanitary latrines utilization of the villagers in Khon Kaen province, Thailand . Mahidol University/Bangkok.